tryEval: Try to evaluate an expression and return a default value if...

In rlist: A Toolbox for Non-Tabular Data Manipulation

Description

Try to evaluate an expression and return a default value if an error occurs or otherwise return its value.

Usage

tryEval(expr, def = NULL)

Arguments

expr	the expression to evaluate
def	the default value if an error occurs in the evaluation of expr

Examples

x <- list(a=c(x=1,y=2),b=c(x=2,p=3))
list.map(x, tryEval(x+y, NA))

rlist documentation built on Sept. 5, 2021, 5:30 p.m.