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24 lines
530 B
24 lines
530 B
name: duk_dup_top
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proto: |
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void duk_dup_top(duk_context *ctx);
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stack: |
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[ ... val! ] -> [ ... val! val! ]
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summary: |
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<p>Push a duplicate of the value at stack top to the stack.
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If the value stack is empty, throws an error.</p>
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<p>Equivalent to calling
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<code><a href="#duk_dup">duk_dup(ctx, -1)</a></code>.</p>
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example: |
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duk_push_int(ctx, 123); /* -> [ ... 123 ] */
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duk_push_int(ctx, 234); /* -> [ ... 123 234 ] */
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duk_dup_top(ctx); /* -> [ ... 123 234 234 ] */
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tags:
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- stack
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introduced: 1.0.0
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