/[guile]/guile/guile-core/doc/ref/scheme-data.texi
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revision 1.13 by ossau, Tue Mar 12 21:52:25 2002 UTC revision 1.14 by ossau, Fri Mar 15 14:03:53 2002 UTC
# Line 339  if @var{obj} is an integer number or a r Line 339  if @var{obj} is an integer number or a r
339  @deffn {Scheme Procedure} rational? x  @deffn {Scheme Procedure} rational? x
340  @deffnx {C Function} scm_real_p (x)  @deffnx {C Function} scm_real_p (x)
341  Return @code{#t} if @var{x} is a rational number, @code{#f}  Return @code{#t} if @var{x} is a rational number, @code{#f}
342  else.  Note that the set of integer values forms a subset of  otherwise.  Note that the set of integer values forms a subset of
343  the set of rational numbers, i. e. the predicate will also be  the set of rational numbers, i. e. the predicate will also be
344  fulfilled if @var{x} is an integer number.  Real numbers  fulfilled if @var{x} is an integer number.  Real numbers
345  will also satisfy this predicate, because of their limited  will also satisfy this predicate, because of their limited
# Line 379  properties of inexactness and limited pr Line 379  properties of inexactness and limited pr
379  @deffn {Scheme Procedure} complex? x  @deffn {Scheme Procedure} complex? x
380  @deffnx {C Function} scm_number_p (x)  @deffnx {C Function} scm_number_p (x)
381  Return @code{#t} if @var{x} is a complex number, @code{#f}  Return @code{#t} if @var{x} is a complex number, @code{#f}
382  else.  Note that the sets of real, rational and integer  otherwise.  Note that the sets of real, rational and integer
383  values form subsets of the set of complex numbers, i. e. the  values form subsets of the set of complex numbers, i. e. the
384  predicate will also be fulfilled if @var{x} is a real,  predicate will also be fulfilled if @var{x} is a real,
385  rational or integer number.  rational or integer number.
# Line 1443  fulfills some specified property. Line 1443  fulfills some specified property.
1443  @rnindex string?  @rnindex string?
1444  @deffn {Scheme Procedure} string? obj  @deffn {Scheme Procedure} string? obj
1445  @deffnx {C Function} scm_string_p (obj)  @deffnx {C Function} scm_string_p (obj)
1446  Return @code{#t} iff @var{obj} is a string, else @code{#f}.  Return @code{#t} if @var{obj} is a string, else @code{#f}.
1447  @end deffn  @end deffn
1448    
1449  @deffn {Scheme Procedure} string-null? str  @deffn {Scheme Procedure} string-null? str

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