Pragmatic directives: Difference between revisions
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=={{header|Julia}}== |
=={{header|Julia}}== |
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Julia has a number of macros which act as compiler directives. For example, the <code>@inbounds</code> macro disables runtime checking of array bounds within a block of code marked by this macro, which sometimes improves performance. |
Julia has a number of macros which act as compiler directives. For example, the <code>@inbounds</code> macro disables runtime checking of array bounds within a block of code marked by this macro, which sometimes improves performance. Example: |
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<lang julia>x = rand(100, 100) |
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y = rand(100, 100) |
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@inbounds begin |
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for i = 1:100 |
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for j = 1:100 |
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x[i, j] *= y[i, j] |
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y[i, j] += x[i, j] |
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end |
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end |
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end |
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</lang> |
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=={{header|Kotlin}}== |
=={{header|Kotlin}}== |
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