quickcode (version 1.0.4)

has.error: Check if a call or expression produces errors

Description

Whether a function or series of calls results in error

Usage

has.error(...)

Value

boolean value to indicate if the expression produces errors

Arguments

...

the expression or function calls

Examples

# this should not produce error
# so the function result should be FALSE
has.error({
  x = 8
  y = number(10)
  res = x + y
})

# this should produce the following error
# Error in x + y : non-numeric argument to binary operator
# so the function result should be TRUE
has.error({
  x = 8
  y = "random"
  res = x + y
})

# this should result in error because
# the dataset does not contain a "rpkg.net" column
# the result should be TRUE
df1 = mtcars
has.error(df1[,"rpkg.net"])