fetch_data: Generate a function to fetch data from cache or get new data...

In shizidushu/hfun: R Functions in use

Description

Use unenclose to check the generated function

Usage

fetch_data(exists_f, get_f, set_f)

Arguments

exists_f	function used to check if cache exists.
get_f	function used to get data from cache
set_f	function used to set new data into cache if data not exists.

Closure Arguments

• key. Redis key. A string.

• query_f. function used to get new data. Usually a sql query.

shizidushu/hfun documentation built on May 27, 2019, 2:10 p.m.