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✏️ 正在编辑: check-i.yaml
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/opt/alt/ruby18/share/ri/1.8/system/StringScanner/check-i.yaml
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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: "This returns the value that #scan would return, without advancing the scan pointer. The match register is affected, though." - !ruby/struct:SM::Flow::VERB body: " s = StringScanner.new("Fri Dec 12 1975 14:39")\n s.check /Fri/ # -> "Fri"\n s.pos # -> 0\n s.matched # -> "Fri"\n s.check /12/ # -> nil\n s.matched # -> nil\n" - !ruby/struct:SM::Flow::P body: "Mnemonic: it "checks" to see whether a #scan will return a value." full_name: StringScanner#check is_singleton: false name: check params: " check(pattern)\n" visibility: public
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