(guile.info.gz) SRFI-4 - Read Syntax
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39.5.1 SRFI-4 - Read Syntax
---------------------------
Homogeneous numeric vectors have an external representation (read
syntax) similar to normal Scheme vectors, but with an additional tag
telling the vector's type.
#u16(1 2 3)
denotes a homogeneous numeric vector of three elements, which are the
values 1, 2 and 3, represented as 16-bit unsigned integers.
Correspondingly,
#f64(3.1415 2.71)
denotes a vector of two elements, which are the values 3.1415 and
2.71, represented as floating-point values of 64 bit precision.
Please note that the read syntax for floating-point vectors conflicts
with Standard Scheme, because there `#f' is defined to be the literal
false value. That means, that with the loaded SRFI-4 module, it is not
possible to enter some list like
'(1 #f3)
and hope that it will be parsed as a three-element list with the
elements 1, `#f' and 3. In normal use, this should be no problem,
because people tend to terminate tokens sensibly when writing Scheme
expressions.
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