관리-도구

편집 파일: arity-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the number of arguments that would not be ignored. If the block is declared to take no arguments, returns 0. If the block is known to take exactly n arguments, returns n. If the block has optional arguments, return -n-1, where n is the number of mandatory arguments. A <tt>proc</tt> with no argument declarations is the same a block declaring <tt>||</tt> as its arguments. - !ruby/struct:SM::Flow::VERB body: " Proc.new {}.arity #=&gt; 0\n Proc.new {||}.arity #=&gt; 0\n Proc.new {|a|}.arity #=&gt; 1\n Proc.new {|a,b|}.arity #=&gt; 2\n Proc.new {|a,b,c|}.arity #=&gt; 3\n Proc.new {|*a|}.arity #=&gt; -1\n Proc.new {|a,*b|}.arity #=&gt; -2\n" full_name: Proc#arity is_singleton: false name: arity params: | prc.arity -> fixnum visibility: public