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20 lines
436 B
20 lines
436 B
name: duk_require_number
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proto: |
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duk_double_t duk_require_number(duk_context *ctx, duk_idx_t index);
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stack: |
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[ ... val! ... ]
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summary: |
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<p>Like <code><a href="#duk_get_number">duk_get_number()</a></code>,
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but throws an error if the value at <code>index</code> is not a number
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or if the index is invalid.</p>
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example: |
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printf("value: %lf\n", (double) duk_require_number(ctx, -3));
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tags:
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- stack
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introduced: 1.0.0
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