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Diffstat (limited to 'src/test/ui/parser/range-inclusive-extra-equals.rs')
-rw-r--r-- | src/test/ui/parser/range-inclusive-extra-equals.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/parser/range-inclusive-extra-equals.rs b/src/test/ui/parser/range-inclusive-extra-equals.rs new file mode 100644 index 000000000..d41c0699c --- /dev/null +++ b/src/test/ui/parser/range-inclusive-extra-equals.rs @@ -0,0 +1,10 @@ +// Makes sure that a helpful message is shown when someone mistypes +// an inclusive range as `..==` rather than `..=`. This is an +// easy mistake, because of the resemblance to`==`. +// See #86395 for a bit of background. + +pub fn main() { + if let 1..==3 = 1 {} //~ERROR unexpected `=` after inclusive range + //~|HELP use `..=` instead + //~|NOTE inclusive ranges end with a single equals sign +} |