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26 lines
524 B
26 lines
524 B
name: duk_get_top_index
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proto: |
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duk_idx_t duk_get_top_index(duk_context *ctx);
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summary: |
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<p>Get the absolute index (>= 0) of the topmost value on the stack.
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If the stack is empty, returns <code>DUK_INVALID_INDEX</code>.</p>
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example: |
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duk_idx_t idx_top;
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idx_top = duk_get_top_index(ctx);
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if (idx_top == DUK_INVALID_INDEX) {
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printf("stack is empty\n");
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} else {
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printf("index of top element: %ld\n", (long) idx_top);
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}
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tags:
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- stack
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seealso:
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- duk_require_top_index
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introduced: 1.0.0
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