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author | Charlie Stanton <charlie@shtanton.xyz> | 2023-04-19 13:23:47 +0100 |
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committer | Charlie Stanton <charlie@shtanton.xyz> | 2023-04-19 13:27:38 +0100 |
commit | aea1a08d6a9d378137d467d3e1f1ccc40232b725 (patch) | |
tree | 680e7c913b3ea782557d51968e24d7fa5c4d450a /subex/parse.go | |
parent | b48dcb0d37bd3db854927df25e6ff41d07501026 (diff) | |
download | stred-go-aea1a08d6a9d378137d467d3e1f1ccc40232b725.tar |
Adds the negate operator
Negates all of the numbers produced by its content subex
Diffstat (limited to 'subex/parse.go')
-rw-r--r-- | subex/parse.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/subex/parse.go b/subex/parse.go index f73d060..8635186 100644 --- a/subex/parse.go +++ b/subex/parse.go @@ -238,6 +238,8 @@ func parseSubex(l *RuneReader, minPower int) SubexAST { lhs = SubexASTSum {lhs} case r == '*' && minPower <= 8: lhs = SubexASTProduct {lhs} + case r == '-' && minPower <= 8: + lhs = SubexASTNegate {lhs} case r == '$' && minPower <= 8: slot := l.next() if slot == eof { |