Type of R.compose

• Type declaration is Union type.
• The first is the input value (argument).
• From the second, specify the type in the order of function 1 and function 2 (function 1, 2 is return type)

example

copyR.compose<[{[key: string]: number}], number, number,  >(
	(val) => val + 1,
	R.propOr(0, ['a'])
)({a: 1, b: 2});

Reference

• ramda Documentation, compose(), https://ramdajs.com/docs/#compose, Accessed 2023.05.18
• @types/ramda, https://www.npmjs.com/package/@types/ramda