268 |
@code{(ice-9 optargs)}, documented in @ref{Optional Arguments}. |
@code{(ice-9 optargs)}, documented in @ref{Optional Arguments}. |
269 |
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270 |
@c NJFIXME explain [env] |
@c NJFIXME explain [env] |
271 |
@deffn primitive defined? sym [env] |
@deffn {Scheme Procedure} defined? sym [env] |
272 |
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@deffnx {C Function} scm_definedp (sym, env) |
273 |
Return @code{#t} if @var{sym} is defined in the lexical environment @var{env}. When @var{env} is not specified, look in the top-level environment as defined by the current module. |
Return @code{#t} if @var{sym} is defined in the lexical environment @var{env}. When @var{env} is not specified, look in the top-level environment as defined by the current module. |
274 |
@end deffn |
@end deffn |
275 |
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