53 lines
778 B
Go
53 lines
778 B
Go
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package bufr
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import "git.milar.in/milarin/ds"
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type RuneFunc = func(rn rune) bool
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func IsNewLine(rn rune) bool {
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return rn == '\n'
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}
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func IsSpace(rn rune) bool {
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return rn == ' '
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}
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func IsWhitespace(rn rune) bool {
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return IsSpace(rn) || IsNewLine(rn)
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}
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func And(f ...RuneFunc) RuneFunc {
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return func(rn rune) bool {
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return findFirstFalse(rn, f)
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}
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}
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func Or(f ...RuneFunc) RuneFunc {
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return func(rn rune) bool {
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return findFirstTrue(rn, f)
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}
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}
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func Not(f RuneFunc) RuneFunc {
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return func(rn rune) bool {
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return !f(rn)
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}
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}
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func Is(rn rune) RuneFunc {
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return func(r rune) bool {
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return rn == r
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}
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}
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func OneOf(runes string) RuneFunc {
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m := ds.NewSet[rune]()
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for _, rn := range runes {
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m.Add(rn)
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}
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return func(r rune) bool {
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return m.Has(r)
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}
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}
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