00268-easy-if

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// 你的答案
type If<C extends boolean, T extends any, F extends any> = C extends true ? T : F

Solution by MrSissel #36584

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by ChemieAi #36553 

// 你的答案
type If<
  C extends true | false,
  T extends unknown,
  F extends unknown
> = C extends true ? T : F;

Solution by Morty-X #36463 

// 你的答案
type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by ATravelerGo #36422 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by alirezaprime #36414 

// your answers
type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by justBadProgrammer #36364 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by HelloWook #36332 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by 1Alex4949031 #36315 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by EvgeniyKoch #36299

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by asylbekduldiev #36244 

type If<C extends boolean, T, F> = C extends infer L ? true extends L ? T : F :never

Solution by Maxim-Do #36227 

type If<C, T, F> = C extends true ? T : F

Solution by tungulin #36157 

type If<C, T, F> = C extends true ? T : F

Solution by tungulin #36154 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by AleksandrShcherbackov #36145 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by AleksandrShcherbackov #36130 

type If<C, T, F> = C extends true ? T : F

Solution by karazyabko #36029 

// 你的答案
type If<C extends Boolean, T, F> = C extends true ? T : F;

Solution by reonce #36010 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by chen8840 #35948 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by codingaring #35937 

// 你的答案
type If<C extends boolean, T, F> = C extends true ? T : F

Solution by naruto-823 #35791 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by Sensuele #35776 

// 你的答案
type If<T extends boolean, True extends any, False extends any> = T extends true
	? True
	: False

Solution by ndwgg #35545 

type If<C extends boolean, T, F> =  C extends boolean ? C extends true ? T : F : never;

Solution by gangnamssal #35485 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by RanungPark #35437 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by awsssrD #35401 

type If<C extends boolean, T, F> = C extends true ? T : F

Solution by gyeounjeong #35358 

// answers, This is more complete
type If<C extends boolean, T, F> = C extends true
  ? T
  : C extends boolean
  ? F
  : never;

// if type C = If<null, "a", "b">;  No alarm
// You need to enable "strictNullChecks": true in tsconfig.json

Solution by ren-142326 #35256 

// 你的答案
type If<C extends boolean, T, F> = C extends true ? T : F

Solution by HoseaGuo #35129 

type If<C, A, B> = C extends true ? A : B;

Solution by ClarityOfMind #34989 

type If<C extends boolean, T, F> = C extends true ? T : F;

Solution by raeyoung-kim #34940