export const format = ( fmt , ... args ) => { const acc = [ ] ; for ( let i = 0 , j = 0 , n = fmt . length ; i < n ; i ++ ) { const f = fmt [ i ] ; const t = typeof f ; acc . push ( t === "function" ? f ( args [ j ++ ] ) : t === "object" ? f [ args [ j ++ ] ] : f ) ; } return acc . join ( "" ) ; } ; /**
 * HOF version of  format .
 *
 *  param fmt export const defFormat = ( fmt ) => ( ... args ) => format ( fmt , ... args ) ; /**
 * Helper for  format which ignores argument and always returns
 * an empty string.
 *
 *  param _ export const ignore = ( _ ) => "" ; /**
 * Helper for  format which coerces `x` to a string.
 *
 *  param x export const str = ( x ) => String ( x ) ;