diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -4476,6 +4476,7 @@ list, which terminates nonempty lists. Function and variable bindings are dynamically scoped in TXR Lisp. However, closures do capture variables. + .SS Additional Syntax Much of the TXR Lisp syntax has been introduced in the previous sections of the @@ -4542,11 +4543,22 @@ and not a quasiquote. .SS Vectors -.IP #(...) +.IP "#(...)" A hash token followed by a list denotes a vector. For example #(1 2 a) is a three-element vector containing the numbers 1 and 2, and the symbol a. +.SS Hashes + +.IP "#H((<hash-argument>*) (<key> <value>)*)" + +The notation #H followed by a nested list syntax denotes a hash table literal. +The first item in the syntax is a list of keywords. These are the same +keywords as are used when calling the function hash to construct +a hash table. Allowed keywords are: :equal-based, :weak-keys, :weak-values. +An empty list can be specified as nil or (), which defaults to a +hash table basd on the eq function, with no weak semantics. + .SS Nested Quotes Quotes can be nested. What if it is necessary to unquote something in the |