Add helpful error message for invalid number literal like '.42'#4665

Merged

straight-shoota merged 1 commit intocrystal-lang:masterfrom makenowjust:fix/crystal/lex-special-error-dot-with-number

Aug 4, 2021

+7

Commits on Aug 3, 2021

Lexer: show helpful error message against invalid number literal like '.42'
makenowjust
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