core :: Int :: is_base64_char
self
a valid Base64 character ?
# Is `self` a valid Base64 character ?
fun is_base64_char: Bool do
if self == u'+' then return true
if self == u'/' then return true
if self > u'Z' then
if self < u'a' then return false
if self <= u'z' then return true
return false
end
if self >= u'A' then return true
if self <= u'9' and self >= u'0' then return true
return false
end
lib/base64/base64.nit:29,2--41,4