16 lines
354 B
TypeScript
16 lines
354 B
TypeScript
export function concat(xs: string[]): string {
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return xs.reduce((a, b) => a + b, "");
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}
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export function capitalize(s: string): string {
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return toUpperCase(s.charAt(0)) + toLowerCase(s.slice(1));
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}
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export function toUpperCase(s: string): string {
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return s.toUpperCase();
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}
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export function toLowerCase(s: string): string {
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return s.toLowerCase();
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}
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