func ExampleMap() {
replaceHyphens := runes.Map(func(r rune) rune {
if unicode.Is(unicode.Hyphen, r) {
return '|'
}
return r
})
s, _, _ := transform.String(replaceHyphens, "a-b‐c⸗d﹣e")
fmt.Println(s)
// Output:
// a|b|c|d|e
}
return &nickAdditionalMapping{}
}),
IgnoreCase,
Norm(norm.NFKC),
DisallowEmpty,
)
usernameCaseMap = NewIdentifier(
FoldWidth,
LowerCase(),
Norm(norm.NFC),
BidiRule,
)
usernameNoCaseMap = NewIdentifier(
FoldWidth,
Norm(norm.NFC),
BidiRule,
)
opaquestring = NewFreeform(
AdditionalMapping(func() transform.Transformer {
return runes.Map(func(r rune) rune {
if unicode.Is(unicode.Zs, r) {
return ' '
}
return r
})
}),
Norm(norm.NFC),
DisallowEmpty,
)
)
Norm(norm.NFKC),
DisallowEmpty,
)
usernameCaseMap = NewIdentifier(
FoldWidth,
LowerCase(),
Norm(norm.NFC),
BidiRule,
)
usernameNoCaseMap = NewIdentifier(
FoldWidth,
Norm(norm.NFC),
BidiRule,
)
opaquestring = NewFreeform(
AdditionalMapping(func() transform.Transformer {
return mapSpaces
}),
Norm(norm.NFC),
DisallowEmpty,
)
)
// mapSpaces is a shared value of a runes.Map transformer.
var mapSpaces transform.Transformer = runes.Map(func(r rune) rune {
if unicode.Is(unicode.Zs, r) {
return ' '
}
return r
})