Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 1x 1x 1x 34x 1x 33x 58x 230x 1x 4x 2x 2x 4x 8x 22x 1x 39x 1x 38x | import {Gen, Seq, Thunk} from 'fnxt/fnxt-types';
import {toSequence} from '../build';
import {Logger} from '../../internal/logger';
const rangeUp = (from: number, to: number, step: number): Thunk<Gen<number>> => {
if (step < 0) {
throw Error('step must be greater than 0');
}
return function* () {
for (let it = from; it < to; it += step) {
yield it;
}
};
};
const rangeDown = (from: number, to: number, step: number): Thunk<Gen<number>> => {
if (step < 0) {
// TODO remove after 2023.q2
Logger.warn('fnxt/seq/generator/range with negative steps are deprecated! just use a positive step value');
step = -step;
}
return function* () {
for (let it = from; it > to; it -= step) {
yield it;
}
};
};
export const range = (from: number, to: number, step = 1): Seq<number> => {
if (step === 0) {
throw Error('step must not be 0');
}
return toSequence(from <= to
? rangeUp(from, to, step)
: rangeDown(from, to, step)
);
};
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