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name: duk_normalize_index
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proto: |
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duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t idx);
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stack: |
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[ ... val! ... ]
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summary: |
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<p>Normalize argument index relative to the bottom of the current frame.
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The resulting index will be 0 or greater and will be independent of
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later stack modifications. If the input index is invalid, returns
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<code>DUK_INVALID_INDEX</code>. If you prefer that an error be thrown for
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an invalid index, use
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<code><a href="#duk_require_normalize_index">duk_require_normalize_index()</a></code>.</p>
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example: |
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duk_idx_t idx = duk_normalize_index(ctx, -3);
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tags:
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- stack
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seealso:
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- duk_require_normalize_index
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introduced: 1.0.0
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