Whether substring appears in s, and the part of s after its first match. When it does not appear the
remainder is empty. An empty substring is never found. The remainder points into s.
contains :: (s: string, substring: string) -> (found: bool, remainder: string)Parameters
- s: string
- substring: string
Returns
- found: bool
- remainder: string
found, rest := contains("copper/blue", "per/");
assert(found && rest == "blue");contains :: (s: string, char: u8) -> (found: bool, remainder: string)Whether the byte char appears in s, and the part of s after its first occurrence.
Parameters
- s: string
- char: u8
Returns
- found: bool
- remainder: string
found, rest := contains("key=value", #char "=");
assert(found && rest == "value");