32 lines
664 B
Text
32 lines
664 B
Text
def print { stdout fprint }
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def println { stdout fprint "\n" stdout fprint }
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def nl { "\n" stdout fprint }
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def eprint { stderr fprint }
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def eprintln { stderr fprint "\n" stderr fprint }
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def when { [] if }
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def unless { swap when }
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def dip { swap [] curry compose call }
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def 2dip { swap [dip] dip }
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def 3dip { swap [2dip] dip }
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def keep { over [call] dip }
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def 2keep { [2dup] dip 2dip }
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def bi { [keep] dip call }
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def tri { [[keep] dip keep] dip call }
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def times {
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if: over 0 =
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[drop drop]
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[swap over >r >r call r> 1 - r> times];
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}
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def while {
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swap dup bury >r >r
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if: call dup
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[r> dup >r call r> r> swap while]
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[drop r> drop r> drop];
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}
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