o_Lexer
open override fun o_LexerApplicability(self: AvailObject, codePoint: Int): Boolean?
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Answer either null if the filter has not yet run for this Latin1 ([0..255]) code point, true if it has passed, or false if it has failed. These are cached in the 8 Longs of LATIN1_BIT_VECTORS_, in pairs of bits where the upper is the validity bit, and the lower is the previous result of the filter.
Return
Either null for undecided, or a Boolean indicating a previously cached result of having run the lexer's filter for this code point.
Parameters
self
The A_Lexer.
code
The Latin1 ([0..255]) Unicode code point to look up.