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Diffstat (limited to 'src/check_expr.cpp')
| -rw-r--r-- | src/check_expr.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/check_expr.cpp b/src/check_expr.cpp index 91d9e669f..72de88f61 100644 --- a/src/check_expr.cpp +++ b/src/check_expr.cpp @@ -1995,6 +1995,12 @@ gb_internal bool check_binary_op(CheckerContext *c, Operand *o, Token op) { return false; } break; + case Token_Concat: + case Token_ConcatEq: + if (!is_type_integer(type)) { + error(op, "Operator '%.*s' is only allowed with integer expressions", LIT(op.string)); + } + break; case Token_Add: if (is_type_string(type)) { |