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fixes a typo in an implicit macro guide #240

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xeno-by merged 1 commit into from
Sep 9, 2013
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fixes a typo in an implicit macro guide #240

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2 changes: 1 addition & 1 deletion overviews/macros/implicits.md
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Expand Up @@ -119,7 +119,7 @@ which represents isomorphisms between types. `Iso` can be used to map cases clas
tp == (23, "foo", true)

If we try to write an implicit materializer for `Iso`, we will run into a wall.
When typechecking applications of methods like `foo`, scalac has to infer the type argument `L`,
When typechecking applications of methods like `conv`, scalac has to infer the type argument `L`,
which it has no clue about (and that's no wonder, since this is domain-specific knowledge). As a result, when we define an implicit
macro, which synthesizes `Iso[C, L]`, scalac will helpfully infer `L` as `Nothing` before expanding the macro and then everything will crumble.

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