go-eol/readls.go

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package eol
import (
"io"
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"sourcecode.social/reiver/go-opt"
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"sourcecode.social/reiver/go-eol/ls"
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)
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// ReadLS tries to read the "\u2028" (i.e., line-separator) end-of-line sequence.
//
// If successful, it returns the number-of-bytes read (to read in end-of-line sequence "\u2028").
//
// If the character read is not a '\u2028', then ReadLS will try to unread the character.
//
// Example usage:
//
// size, err := eol.ReadLS(runescanner)
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func ReadLS(runescanner io.RuneScanner) (size int, err error) {
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const characterNumber uint64 = 1
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var circumstance internalCircumstance = specifyCircumstance(opt.Something(ls.String), characterNumber)
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return readthisrune(circumstance, runescanner, ls.Rune)
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}