mirror of
https://github.com/roc-lang/roc.git
synced 2025-12-23 08:48:03 +00:00
1.4 KiB
1.4 KiB
META
description=Match expression with boolean-like tag patterns
type=expr
SOURCE
match isReady {
True => "ready to go!"
False => "not ready yet"
}
EXPECTED
UNDEFINED VARIABLE - boolean_patterns.md:1:7:1:14
PROBLEMS
UNDEFINED VARIABLE
Nothing is named isReady in this scope.
Is there an import or exposing missing up-top?
boolean_patterns.md:1:7:1:14:
match isReady {
^^^^^^^
TOKENS
KwMatch,LowerIdent,OpenCurly,
UpperIdent,OpFatArrow,StringStart,StringPart,StringEnd,
UpperIdent,OpFatArrow,StringStart,StringPart,StringEnd,
CloseCurly,
EndOfFile,
PARSE
(e-match
(e-ident (raw "isReady"))
(branches
(branch
(p-tag (raw "True"))
(e-string
(e-string-part (raw "ready to go!"))))
(branch
(p-tag (raw "False"))
(e-string
(e-string-part (raw "not ready yet"))))))
FORMATTED
NO CHANGE
CANONICALIZE
(e-match
(match
(cond
(e-runtime-error (tag "ident_not_in_scope")))
(branches
(branch
(patterns
(pattern (degenerate false)
(p-applied-tag)))
(value
(e-string
(e-literal (string "ready to go!")))))
(branch
(patterns
(pattern (degenerate false)
(p-applied-tag)))
(value
(e-string
(e-literal (string "not ready yet"))))))))
TYPES
(expr (type "Str"))