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Size: a a a
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1> A = undefined.
undefined
2> A - 0 > 0 orelse true.
** exception error: an error occurred when evaluating an arithmetic expression
in operator -/2
called as undefined - 0
ML
3> [V || V <- [1,2,3,4], true].
[1,2,3,4]
4> [V || V <- [1,2,3,4], A - 0 > 0 orelse true].
[]
ML
2> [V || V <- [1,2,3,4], true orelse A - 0 > 0].
[1,2,3,4]
3> [V || V <- [1,2,3,4], true or A - 0 > 0].
[]
СИ
MK
!!x
на каком-то языке типа Perl, так это у всех почему-то мозг взорвало.MK
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r
.MK