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Yukihiro "Matz" Matsumoto
40264c9aad
The p_value rule only accepted bare tSTRING tokens, which the lexer
emits for single-quoted strings. Double-quoted strings emit
tSTRING_BEG ... tSTRING (or with interpolation, tSTRING_BEG
string_rep tSTRING), so
case "hello"
in "hello"
:match
end
raised "syntax error, unexpected string literal" at the `"` after
`in`. Use the existing `string` non-terminal instead of bare
tSTRING, which also enables alternation (`"a" | "b"`), interpolation
(`"hel#{x}"`), and concatenation by juxtaposition in patterns.
close #6830
Co-authored-by: Claude <noreply@anthropic.com>