229 lines
8.2 KiB
Plaintext
229 lines
8.2 KiB
Plaintext
(module vec_string (export empty append len at singleton append2 append3 pair triple is_empty index_or first_or last_or index_option first_option last_option index_of_option last_index_of_option contains count_of concat take starts_with without_prefix ends_with without_suffix drop reverse subvec insert_at insert_range replace_at replace_range remove_at remove_range))
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(fn empty () -> (vec string)
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(std.vec.string.empty))
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(fn append ((values (vec string)) (value string)) -> (vec string)
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(std.vec.string.append values value))
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(fn len ((values (vec string))) -> i32
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(std.vec.string.len values))
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(fn at ((values (vec string)) (position i32)) -> string
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(std.vec.string.index values position))
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(fn singleton ((value string)) -> (vec string)
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(append (empty) value))
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(fn append2 ((values (vec string)) (first string) (second string)) -> (vec string)
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(append (append values first) second))
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(fn append3 ((values (vec string)) (first string) (second string) (third string)) -> (vec string)
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(append (append2 values first second) third))
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(fn pair ((first string) (second string)) -> (vec string)
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(append2 (empty) first second))
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(fn triple ((first string) (second string) (third string)) -> (vec string)
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(append3 (empty) first second third))
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(fn is_empty ((values (vec string))) -> bool
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(= (len values) 0))
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(fn index_or ((values (vec string)) (position i32) (fallback string)) -> string
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(if (< position 0)
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fallback
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(if (< position (len values))
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(at values position)
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fallback)))
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(fn first_or ((values (vec string)) (fallback string)) -> string
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(index_or values 0 fallback))
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(fn last_or ((values (vec string)) (fallback string)) -> string
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(if (is_empty values)
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fallback
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(at values (- (len values) 1))))
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(fn index_option ((values (vec string)) (position i32)) -> (option string)
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(if (< position 0)
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(none string)
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(if (< position (len values))
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(some string (at values position))
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(none string))))
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(fn first_option ((values (vec string))) -> (option string)
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(index_option values 0))
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(fn last_option ((values (vec string))) -> (option string)
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(if (is_empty values)
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(none string)
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(some string (at values (- (len values) 1)))))
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(fn index_of_option_loop ((values (vec string)) (target string) (position i32) (values_len i32)) -> (option i32)
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(if (< position values_len)
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(if (= (at values position) target)
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(some i32 position)
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(index_of_option_loop values target (+ position 1) values_len))
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(none i32)))
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(fn index_of_option ((values (vec string)) (target string)) -> (option i32)
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(index_of_option_loop values target 0 (len values)))
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(fn last_index_of_option_loop ((values (vec string)) (target string) (position i32) (values_len i32) (found (option i32))) -> (option i32)
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(if (< position values_len)
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(if (= (at values position) target)
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(last_index_of_option_loop values target (+ position 1) values_len (some i32 position))
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(last_index_of_option_loop values target (+ position 1) values_len found))
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found))
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(fn last_index_of_option ((values (vec string)) (target string)) -> (option i32)
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(last_index_of_option_loop values target 0 (len values) (none i32)))
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(fn contains_loop ((values (vec string)) (target string) (position i32) (values_len i32)) -> bool
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(if (< position values_len)
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(if (= (at values position) target)
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true
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(contains_loop values target (+ position 1) values_len))
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false))
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(fn contains ((values (vec string)) (target string)) -> bool
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(contains_loop values target 0 (len values)))
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(fn count_of_loop ((values (vec string)) (target string) (position i32) (values_len i32) (hits i32)) -> i32
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(if (< position values_len)
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(count_of_loop values target (+ position 1) values_len (+ hits (if (= (at values position) target)
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1
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0)))
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hits))
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(fn count_of ((values (vec string)) (target string)) -> i32
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(count_of_loop values target 0 (len values) 0))
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(fn concat_loop ((built (vec string)) (right (vec string)) (position i32) (right_len i32)) -> (vec string)
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(if (< position right_len)
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(concat_loop (append built (at right position)) right (+ position 1) right_len)
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built))
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(fn concat ((left (vec string)) (right (vec string))) -> (vec string)
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(let right_len i32 (len right))
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(concat_loop left right 0 right_len))
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(fn take_loop ((values (vec string)) (position i32) (limit i32) (built (vec string))) -> (vec string)
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(if (< position limit)
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(take_loop values (+ position 1) limit (append built (at values position)))
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built))
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(fn take ((values (vec string)) (count i32)) -> (vec string)
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(let values_len i32 (len values))
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(if (< count 0)
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(empty)
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(if (< count values_len)
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(take_loop values 0 count (empty))
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values)))
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(fn starts_with ((values (vec string)) (prefix (vec string))) -> bool
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(let prefix_len i32 (len prefix))
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(if (< (len values) prefix_len)
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false
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(= (take values prefix_len) prefix)))
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(fn without_prefix ((values (vec string)) (prefix (vec string))) -> (vec string)
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(if (starts_with values prefix)
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(drop values (len prefix))
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values))
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(fn ends_with ((values (vec string)) (suffix (vec string))) -> bool
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(let values_len i32 (len values))
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(let suffix_len i32 (len suffix))
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(if (< values_len suffix_len)
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false
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(= (drop values (- values_len suffix_len)) suffix)))
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(fn without_suffix ((values (vec string)) (suffix (vec string))) -> (vec string)
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(if (ends_with values suffix)
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(take values (- (len values) (len suffix)))
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values))
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(fn drop_loop ((values (vec string)) (position i32) (values_len i32) (built (vec string))) -> (vec string)
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(if (< position values_len)
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(drop_loop values (+ position 1) values_len (append built (at values position)))
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built))
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(fn drop ((values (vec string)) (count i32)) -> (vec string)
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(let values_len i32 (len values))
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(if (< count 0)
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values
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(if (< count values_len)
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(drop_loop values count values_len (empty))
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(empty))))
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(fn reverse_loop ((values (vec string)) (position i32) (built (vec string))) -> (vec string)
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(if (< position 0)
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built
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(reverse_loop values (- position 1) (append built (at values position)))))
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(fn reverse ((values (vec string))) -> (vec string)
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(reverse_loop values (- (len values) 1) (empty)))
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(fn subvec ((values (vec string)) (start i32) (end_exclusive i32)) -> (vec string)
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(if (< start 0)
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(empty)
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(if (< start end_exclusive)
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(take (drop values start) (- end_exclusive start))
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(empty))))
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(fn insert_at ((values (vec string)) (position i32) (value string)) -> (vec string)
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(let values_len i32 (len values))
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(if (< position 0)
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values
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(if (< position values_len)
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(concat (append (take values position) value) (drop values position))
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(if (= position values_len)
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(append values value)
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values))))
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(fn insert_range ((values (vec string)) (position i32) (inserted (vec string))) -> (vec string)
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(let values_len i32 (len values))
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(if (< position 0)
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values
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(if (< position values_len)
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(concat (concat (take values position) inserted) (drop values position))
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(if (= position values_len)
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(concat values inserted)
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values))))
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(fn replace_at ((values (vec string)) (position i32) (replacement string)) -> (vec string)
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(if (< position 0)
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values
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(if (< position (len values))
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(concat (append (take values position) replacement) (drop values (+ position 1)))
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values)))
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(fn replace_range ((values (vec string)) (start i32) (end_exclusive i32) (replacement (vec string))) -> (vec string)
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(let values_len i32 (len values))
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(if (< start 0)
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values
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(if (< start values_len)
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(if (< start end_exclusive)
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(concat (concat (take values start) replacement) (drop values end_exclusive))
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values)
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values)))
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(fn remove_at ((values (vec string)) (position i32)) -> (vec string)
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(if (< position 0)
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values
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(if (< position (len values))
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(concat (take values position) (drop values (+ position 1)))
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values)))
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(fn remove_range ((values (vec string)) (start i32) (end_exclusive i32)) -> (vec string)
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(let values_len i32 (len values))
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(if (< start 0)
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values
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(if (< start values_len)
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(if (< start end_exclusive)
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(concat (take values start) (drop values end_exclusive))
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values)
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values)))
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