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Diffstat (limited to 'doc/syntax/methods.rdoc')
| -rw-r--r-- | doc/syntax/methods.rdoc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/syntax/methods.rdoc b/doc/syntax/methods.rdoc index a47c1a3cbf..564159ac01 100644 --- a/doc/syntax/methods.rdoc +++ b/doc/syntax/methods.rdoc @@ -398,6 +398,17 @@ When calling a method with keyword arguments the arguments may appear in any order. If an unknown keyword argument is sent by the caller an ArgumentError is raised. +To require a specific keyword argument, do not include a default value +for the keyword argument: + + def add_values(first:, second:) + first + second + end + add_values + # ArgumentError (missing keywords: first, second) + add_values(first: 1, second: 2) + # => 3 + When mixing keyword arguments and positional arguments, all positional arguments must appear before any keyword arguments. |