LaconicNetwork/cosmjs-util
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Pull out IntegerStatic<T>

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This commit is contained in:
Simon Warta 2020-09-30 14:20:42 +02:00
parent 6e99b8e733
commit eb63957b08
1 changed files with 10 additions and 4 deletions
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14
packages/math/src/integers.ts
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@ -14,9 +14,12 @@ interface WithByteConverters {
readonly toBytesLittleEndian: () => Uint8Array;
}
interface IntegerStatic<T> {
readonly fromString: (str: string) => T;
}
interface FixedLengthIntegerStatic<T> {
readonly fromBytes: (bytes: ArrayLike<number>, endianess: "be" | "le") => T;
readonly fromString: (str: string) => T;
}
export class Uint32 implements Integer, WithByteConverters {
@ -105,8 +108,6 @@ export class Uint32 implements Integer, WithByteConverters {
}
}
const _uint32ClassConformsToStaticInterface: FixedLengthIntegerStatic<Uint32> = Uint32;
export class Int53 implements Integer {
public static fromString(str: string): Int53 {
if (!str.match(/^-?[0-9]+$/)) {
@ -249,4 +250,9 @@ export class Uint64 implements Integer, WithByteConverters {
}
}
const _uint64ClassConformsToStaticInterface: FixedLengthIntegerStatic<Uint64> = Uint64;
// Assign classes to unused variables in order to verify static interface conformance at compile time.
// Workaround for https://github.com/microsoft/TypeScript/issues/33892
const _int53Class: IntegerStatic<Int53> = Int53;
const _uint53Class: IntegerStatic<Uint53> = Uint53;
const _uint32Class: IntegerStatic<Uint32> & FixedLengthIntegerStatic<Uint32> = Uint32;
const _uint64Class: IntegerStatic<Uint64> & FixedLengthIntegerStatic<Uint64> = Uint64;