開発環境
- OS X El Capitan - Apple (OS)
- Emacs (Text Editor)
- Factor (プログラミング言語)
Seven More Languages in Seven Weeks (Bruce Tate (著)、Ian Dees (著)、Frederic Daoud (著)、Jack Moffitt (著)、Pragmatic Bookshelf)のChapter 2(Factor)、Day 1(Stack On, Stack Off)、Do (Hard)(No. 2019).を取り組んでみる。
Do (Hard)(No. 2019)
コード、入出力結果(Emacs, Terminal)
$ /Applications/MacPorts/Factor-0.97/Factor.app/Contents/MacOS/factor -run=listener IN: scratchpad 42 [ 10 /i ] [ 10 mod ] bi --- Data stack: 4 2 IN: scratchpad clear IN: scratchpad 12345 --- Data stack: 12345 IN: scratchpad number>string 1: number>string ^ No word named “number>string” found in current vocabulary search path The following restarts are available: :1 Use the math.parser vocabulary :2 Defer word in current vocabulary Type :help for debugging help. --- Data stack: 12345 IN: scratchpad USE: math.parser --- Data stack: 12345 IN: scratchpad number>string --- Data stack: "12345" IN: scratchpad [ 1string string>number ] each --- Data stack: 1 2 3 4 5 IN: scratchpad $
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