add implicit type casting #1

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opened 2019-09-27 15:07:12 +00:00 by luna · 0 comments
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i32 values can be return values for i64, or, this:

fn blah() i64 {
    return 123; // is i32 by default
}

should compile correctly.

doing a check for "if i32 is superset of i64" tackles the issue at an analysis level, but not at a codegen level. we must cast the i32 into an i64 with the i32 value when wanted.

i32 values can be return values for i64, or, this: ``` fn blah() i64 { return 123; // is i32 by default } ``` should compile correctly. doing a check for "if i32 is superset of i64" tackles the issue at an analysis level, **but not at a codegen level.** we must cast the i32 into an i64 with the i32 value when wanted.
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Reference: luna/rayoko#1
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