application/octet-stream
•
2.03 KB
•
68 lines
;; Contains various little pieces that were implemented in nujel instead of
;; C because of various reasons
[defun length [a]
"Returns the length of a"
[cond [[string? a] [str/length a]]
[[pair? a] [list-length a]]
[#t 0]
]
]
[def describe [let*
[def describe-thing [λ [o]
[def doc [closure o]]
[cat [str/write [doc :arguments]] " - " [doc :documentation]]
]]
[def describe-string [λ [a]
[describe-thing [resolve [str->sym a]]]
]]
[λ [fun] "Describe FUN, if there is documentation available"
[if [string? fun]
[describe-string fun]
[describe-thing fun]]
]
]]
[defun display [value]
"Display VALUE"
[print value]
]
[defun newline []
"Print a single line feed character"
[display "\n"]
]
[defun arr-fill! [a v i]
"Fills array a with value v"
[cond [[>= [int i] [arr-length a]] a]
[#t [arr-set! a [int i] v] [arr-fill! a v [++ i]]]
]
]
[defun lognand [...l]
"Returns the Nand of its arguments"
[lognot [apply logand ...l]]
]
[defun mem [] "Return some pretty printed memory usage information"
[let* [def info [memory-info]]
[cat [ansi-white "Memory Info"] "\n"
[ansi-green "Values: "] [getf info :value] "\n"
[ansi-blue "Closures: "] [getf info :closure] "\n"
[ansi-red "Arrays: "] [getf info :array] "\n"
[ansi-yellow "STrings: "] [getf info :string] "\n"
[ansi-cyan "NFunc: "] [getf info :native-function] "\n"
[ansi-purple "Vectors: "] [getf info :vector] "\n"
[ansi-pink "Symbols: "] [getf info :symbol] "\n"
ansi-reset
]
]
]
[defun wrap-value [val min max] "Constrains VAL to be within MIN and MAX, wrapping it around"
[+ min [% [- val min] [- max min]]]
]
