diff options
Diffstat (limited to 'spec/08-pattern-matching.md')
| -rw-r--r-- | spec/08-pattern-matching.md | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/spec/08-pattern-matching.md b/spec/08-pattern-matching.md index 00f9099bea..38eabf29c5 100644 --- a/spec/08-pattern-matching.md +++ b/spec/08-pattern-matching.md @@ -56,7 +56,7 @@ patterns. ### Variable Patterns ```ebnf - SimplePattern ::= `_' + SimplePattern ::= ‘_’ | varid ``` @@ -69,8 +69,8 @@ which is treated as if it was a fresh variable on each occurrence. ### Typed Patterns ```ebnf - Pattern1 ::= varid `:' TypePat - | `_' `:' TypePat + Pattern1 ::= varid ‘:’ TypePat + | ‘_’ ‘:’ TypePat ``` A _typed pattern_ $x: T$ consists of a pattern variable $x$ and a @@ -83,7 +83,7 @@ that value. ### Pattern Binders ```ebnf - Pattern2 ::= varid `@' Pattern3 + Pattern2 ::= varid ‘@’ Pattern3 ``` A _pattern binder_ `$x$@$p$` consists of a pattern variable $x$ and a @@ -144,7 +144,7 @@ argument of `f` are equal. ### Constructor Patterns ```ebnf -SimplePattern ::= StableId `(' [Patterns] `) +SimplePattern ::= StableId ‘(’ [Patterns] ‘)’ ``` A _constructor pattern_ is of the form $c(p_1 , \ldots , p_n)$ where $n @@ -170,7 +170,7 @@ repeated parameter. This is further discussed [here](#pattern-sequences). ### Tuple Patterns ```ebnf - SimplePattern ::= `(' [Patterns] `)' + SimplePattern ::= ‘(’ [Patterns] ‘)’ ``` A _tuple pattern_ `($p_1 , \ldots , p_n$)` is an alias @@ -181,7 +181,7 @@ where $n \geq 2$. The empty tuple ### Extractor Patterns ```ebnf - SimplePattern ::= StableId `(' [Patterns] `)' + SimplePattern ::= StableId ‘(’ [Patterns] ‘)’ ``` An _extractor pattern_ $x(p_1 , \ldots , p_n)$ where $n \geq 0$ is of @@ -241,7 +241,7 @@ val y = x match { ### Pattern Sequences ```ebnf -SimplePattern ::= StableId `(' [Patterns `,'] [varid `@'] `_' `*' `)' +SimplePattern ::= StableId ‘(’ [Patterns ‘,’] [varid ‘@’] ‘_’ ‘*’ ‘)’ ``` A _pattern sequence_ $p_1 , \ldots , p_n$ appears in two contexts. @@ -277,7 +277,7 @@ shorthand for the constructor or extractor pattern $\mathit{op}(p, q_1 ### Pattern Alternatives ```ebnf - Pattern ::= Pattern1 { `|' Pattern1 } + Pattern ::= Pattern1 { ‘|’ Pattern1 } ``` A _pattern alternative_ `$p_1$ | $\ldots$ | $p_n$` @@ -521,9 +521,9 @@ function's declared result type, `Number`. ## Pattern Matching Expressions ```ebnf - Expr ::= PostfixExpr `match' `{' CaseClauses `}' + Expr ::= PostfixExpr ‘match’ ‘{’ CaseClauses ‘}’ CaseClauses ::= CaseClause {CaseClause} - CaseClause ::= `case' Pattern [Guard] `=>' Block + CaseClause ::= ‘case’ Pattern [Guard] ‘=>’ Block ``` A _pattern matching expression_ @@ -638,7 +638,7 @@ conforms to its expected type, `T`. ## Pattern Matching Anonymous Functions ```ebnf - BlockExpr ::= `{' CaseClauses `}' + BlockExpr ::= ‘{’ CaseClauses ‘}’ ``` An anonymous function can be defined by a sequence of cases |