More rules for strings module functions
#96
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quasilyte
reviewed
Oct 30, 2020
| // The special case is zero. Zero does nothing, so it's a bug, so we replace it too. | ||
| // Everything else is for consistency. | ||
| m.Match(`strings.Replace($s, $d, $w, $n)`). | ||
| Where(m["n"].Const && m["n"].Text.Matches(`(\-[0-9]+|0)`)). |
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It looks like if we had a way to const-fold expressions into int we could just check it like:
m["n"].ConstValue.Int() <= 0
It's not hard to implement, actually.
What do you think?
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- Where(m["n"].Const && m["n"].Text.Matches(`(\-[0-9]+|0)`))
+ Where(m["n"].Value.Int() <= 0)
|
I like the idea of testing with local |
quasilyte
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Oct 31, 2020
Added Value expression field that can be used to check the submatch value. Since `go/types` has some const-folding out-of-the-box, we get it too. Right now only `int` value types are supported, but we could extend the set of types later. This is a proof-of-concept that can be useful in #96. Signed-off-by: Iskander Sharipov <quasilyte@gmail.com>
quasilyte
added a commit
that referenced
this pull request
Oct 31, 2020
Added Value expression field that can be used to check the submatch value. Since `go/types` has some const-folding out-of-the-box, we get it too. Right now only `int` value types are supported, but we could extend the set of types later. This is a proof-of-concept that can be useful in #96. Signed-off-by: Iskander Sharipov <quasilyte@gmail.com>
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This is a copy of #94 that doesn't depend on (but conflicts with) #93