fgm/waiig15: My version of the Writing an Interpreter in Go 1.5 code. @ 515a961a6e98db5e6e59d223ea85545747c5f8ed

Frederic G. MARAND 515a961a6e §1.3 first passing test		6 年之前
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lexer.go	515a961a6e §1.3 first passing test	6 年之前
lexer_test.go	515a961a6e §1.3 first passing test	6 年之前