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include prelude | |
type | |
Node {.acyclic.} = ref object | |
le, ri: owned Node | |
proc checkTree(n: Node): int = | |
if n.le == nil: 1 | |
else: 1 + checkTree(n.le) + checkTree(n.ri) |
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import macros | |
proc generateAccessors(name, hidden, typ, fieldTyp: NimNode): NimNode = | |
template helper(name, hidden, typ, fieldTyp) {.dirty.} = | |
proc name*(self: typ): auto = self.hidden | |
proc `name=`*(self: var typ; val: fieldTyp) = | |
self.hidden = val | |
result = getAst(helper(name, hidden, typ, fieldTyp)) | |
proc transform(n: NimNode; stmts, obj: NimNode): NimNode = |
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discard """ | |
cmd: "nim c --gc:orc $file" | |
output: ''' | |
{"age": 12, "bio": "Я Cletus", "blob": [65, 66, 67, 128], "name": "Cletus"} | |
true | |
true | |
alpha 100 | |
omega 200 | |
0''' | |
""" |
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import asynchttpserver, asyncdispatch, strutils, json, tables, streams | |
# about 130 MB of alive data: | |
var sessions: Table[string, JsonNode] | |
for i in 0..<10: | |
sessions[$i] = parseJson(newFileStream("1.json", fmRead), "1.json") | |
var served = 0 |
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import macros | |
macro awaitE(call: typed, r: untyped): untyped = | |
let x = call[0] | |
let tx = x.getType() | |
expectKind tx, nnkBracketExpr | |
var t = newTree(nnkProcTy) | |
var p = newTree(nnkFormalParams, tx[1]) |
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import strutils, os | |
type Target = tuple[repo, package, ext: string] | |
proc newTarget*(path: string): Target = | |
let splat = path.splitFile | |
result = (repo: splat.dir, package: splat.name, ext: splat.ext) | |
let mem = getOccupiedMem() |
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const | |
intrin = "<x86intrin.h>" | |
{.localPassC: "-msse4.2".} | |
type | |
M128i {.importc: "__m128i", header: intrin, bycopy.} = object | |
const | |
SIDD_CMP_RANGES = 0b0000_0100'i32 | |
SIDD_NEGATIVE_POLARITY = 0b0001_0000'i32 |
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import macros, sets, strutils | |
type | |
Elem = object | |
x, y: int | |
Elems = seq[Elem] | |
ElemId = distinct uint16 # as ptr |
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proc complement(s: set[char]): string = | |
var last = '\0' | |
result = "" | |
for elem in '\0'..'\255': | |
if elem notin s: | |
if result.len == 0: | |
result.add elem | |
result.add elem | |
elif pred(elem) == last: | |
result[^1] = elem # patch last interval |
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{.push staticBoundChecks: on.} | |
proc takeNat(n: Natural) = | |
discard | |
proc p(a: openArray[int]) = | |
if a.len > 0: | |
echo a[0] |
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