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const Flag = { | |
foo: 1, | |
bar: 2, | |
baz: 4, | |
} as const; | |
type MaskType = MaskOf<typeof Flag[keyof typeof Flag]>; | |
// ^? 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
type SparseMaskType = MaskOf<1|2|8>; |
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// pack bytes into valid UTF-16 string | |
// | |
// strategy: | |
// | |
// * using ESC as the escape character | |
// * if there is ESC in the bytes, double it | |
// * if there is unmatched surrogate pair, mark it by the escape character | |
// | |
// 0x007f: escape, because it's rare but still only one utf-8 byte. | |
// To escape itself, use 0x007f 0x08ff (two bytes utf-8) |
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const outof = <T extends BaseSchema, R, | |
O = T extends BaseSchema<any, infer O> ? O : never, | |
>(schema:T, value:unknown, then?:(value:O) => R): value is O => { | |
const {issues, output} = safeParse(schema, value); | |
if (issues && issues.length > 0) return false; | |
if (then) then(output as O); | |
return true; | |
}; | |
// USAGE example |
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export const waiter: { | |
<T, R, A extends any[]>( | |
w:Waitable<T>, done:(x:T, ...args:A) => Promise<R>|R | |
): (...args:A) => Promise<R>; | |
<R, A extends any[], T=void|undefined>( | |
w:Waitable<T>, done:(...args:A) => Promise<R>|R | |
): (...args:A) => Promise<R>; | |
} = <T, R, A extends any[]>(w:Waitable<T>, done:{ | |
(x:T, ...args:A):Promise<R>|R; | |
(...args:A):Promise<R>|R; |
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import type { | |
FormStore, FieldValues, ResponseData, FormErrors, FieldPath, FieldArrayPath, | |
SetResponseOptions, | |
} from '@modular-forms/qwik'; | |
import { | |
getValues, validate, setResponse, FormError, setError, | |
} from '@modular-forms/qwik'; | |
import { type Maybe } from '~/utils'; | |
type ErrorResponseOptions = SetResponseOptions & |
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#!/usr/bin/ruby | |
opts, files = ARGV.partition {|a| a =~ /^-/} | |
first, *middle, last = files | |
base = File.expand_path File.dirname(first) | |
to = File.expand_path File.join base, last | |
system ['mv', *opts, first, *middle, to].join ' ' |
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#!/usr/bin/ruby | |
require 'bundler/inline' | |
gemfile do | |
source 'https://rubygems.org' | |
gem 'shellwords' | |
end | |
CHATGPT_URI = "https://chat.openai.com/chat" | |
def get_page_info |
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// style-1 | |
scanner->sis = grn_scan_info_build(ctx, | |
scanner->expr, | |
&(scanner->n_sis), | |
op, | |
record_exist); | |
// style-2 | |
scanner->sis = | |
grn_scan_info_build |
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db.<collections>.aggregate({$indexStats:{}})._batch.reduce((h,i) => {h[i.spec.name] = i.accesses.ops; return h}, {}) |
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require "em-synchrony" | |
def foo | |
fiber = Fiber.current | |
EM::Timer.new 3 do | |
fiber.resume "foo" | |
end | |
Fiber.yield | |
end |
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