List comprehensions: Difference between revisions
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(Updates example with macros to compile with Nim version 1.4.) |
m (→{{header|D}}) |
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=={{header|D}}== |
=={{header|D}}== |
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D doesn't have list comprehensions. One implementation: |
D doesn't have list comprehensions. One implementation: |
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<lang d>import std.stdio, std. |
<lang d>import std.stdio, std.meta, std.range; |
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TA[] select(TA, TI1, TC1, TI2, TC2, TI3, TC3, TP) |
TA[] select(TA, TI1, TC1, TI2, TC2, TI3, TC3, TP) |
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lazy TP where) { |
lazy TP where) { |
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Appender!(TA[]) result; |
Appender!(TA[]) result; |
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auto iters = |
auto iters = AliasSeq!(iter1, iter2, iter3); |
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foreach (el1; items1) { |
foreach (el1; items1) { |
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} |
} |
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AliasSeq!(iter1, iter2, iter3) = iters; |
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return result.data; |
return result.data; |
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} |
} |
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iota(y, n + 1), x*x + y*y == z*z); |
iota(y, n + 1), x*x + y*y == z*z); |
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writeln(r); |
writeln(r); |
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} |
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}</lang> |
}</lang> |
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{{out}} |
{{out}} |
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