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| -rw-r--r-- | doc/syntax/pattern_matching.rdoc | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -422,7 +422,8 @@ These core and library classes implement deconstruction: == Guard clauses -+if+ can be used to attach an additional condition (guard clause) when the pattern matches. This condition may use bound variables: case [1, 2] in a, b if b == a*2 @@ -450,6 +451,11 @@ These core and library classes implement deconstruction: end #=> "matched" == Appendix A. Pattern syntax Approximate syntax is: |