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scanner.v: refactoring

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This commit is contained in:
d2verb
2019-07-24 07:06:48 +09:00
committed by Alexander Medvednikov
parent 8462e99bc5
commit 88758082d2
5 changed files with 176 additions and 153 deletions
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8
vlib/builtin/string.v
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@ -714,6 +714,14 @@ pub fn (c byte) is_digit() bool {
return c >= `0` && c <= `9`
}
pub fn (c byte) is_hex_digit() bool {
return c.is_digit() || (c >= `a` && c <= `f`) || (c >= `A` && c <= `F`)
}
pub fn (c byte) is_oct_digit() bool {
return c >= `0` && c <= `7`
}
pub fn (c byte) is_letter() bool {
return (c >= `a` && c <= `z`) || (c >= `A` && c <= `Z`)
}