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Diffstat (limited to '10-pattern-matching.md')
| -rw-r--r-- | 10-pattern-matching.md | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/10-pattern-matching.md b/10-pattern-matching.md index 85639c8f7c..b3c1db3499 100644 --- a/10-pattern-matching.md +++ b/10-pattern-matching.md @@ -1,8 +1,6 @@ -Pattern Matching -================ +# Pattern Matching -Patterns --------- +## Patterns ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.grammar} Pattern ::= Pattern1 { ‘|’ Pattern1 } @@ -320,8 +318,7 @@ A pattern $p$ is _irrefutable_ for a type $T$, if one of the following applies: of type $T$ has argument types $T_1 , \ldots , T_n$, and each $p_i$ is irrefutable for $T_i$. -Type Patterns -------------- +## Type Patterns ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.grammar} TypePat ::= Type @@ -373,8 +370,7 @@ a lower case letter. However, the predefined primitive type aliases `long`, `float`, and `double` are not classified as type variable patterns. -Type Parameter Inference in Patterns ------------------------------------- +## Type Parameter Inference in Patterns Type parameter inference is the process of finding bounds for the bound type variables in a typed pattern or constructor @@ -531,8 +527,7 @@ are inferred in the same way as for the typed pattern function's declared result type, `Number`. -Pattern Matching Expressions ----------------------------- +## Pattern Matching Expressions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.grammar} Expr ::= PostfixExpr `match' `{' CaseClauses `}' @@ -649,8 +644,7 @@ possibility of a `MatchError` being raised at run-time. conforms to its expected type, `T`. -Pattern Matching Anonymous Functions ------------------------------------- +## Pattern Matching Anonymous Functions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ {.grammar} BlockExpr ::= `{' CaseClauses `}' |