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# vars_select() type-checks inputs
Code
vars_select(letters, TRUE)
Condition
Error:
! Must subset columns with a valid subscript vector.
x Subscript `TRUE` has the wrong type `logical`.
i It must be numeric or character.
Code
vars_select(letters, 2.5)
Condition
Error:
! Must subset columns with a valid subscript vector.
x Can't convert from `2.5` <double> to <integer> due to loss of precision.
Code
vars_select(letters, structure(1:3, class = "tidysel_foobar"))
Condition
Error:
! Must subset columns with a valid subscript vector.
x Subscript `structure(1:3, class = "tidysel_foobar")` has the wrong type `tidysel_foobar`.
i It must be numeric or character.
# vars_select() has consistent location errors
Code
# Bare names
vars_select(letters, foo)
Condition
Error:
! Can't subset columns that don't exist.
x Column `foo` doesn't exist.
Code
vars_select(letters, -foo)
Condition
Error:
! Can't subset columns that don't exist.
x Column `foo` doesn't exist.
Code
# Names
vars_select(letters, "foo")
Condition
Error:
! Can't subset columns that don't exist.
x Column `foo` doesn't exist.
Code
vars_select(letters, a:"foo")
Condition
Error:
! Can't subset columns that don't exist.
x Column `foo` doesn't exist.
Code
# Locations
vars_select(letters, 30, 50, 100)
Condition
Error:
! Can't subset columns past the end.
i Locations 30, 50, and 100 don't exist.
i There are only 26 columns.
Code
vars_select(letters, -100)
Condition
Error:
! Can't subset columns past the end.
i Location 100 doesn't exist.
i There are only 26 columns.
Code
vars_select(letters, !100)
Condition
Error:
! Can't subset columns past the end.
i Location 100 doesn't exist.
i There are only 26 columns.
# when .strict = FALSE, vars_rename always succeeds
Code
vars_rename(c("a", "b"), d = e, .strict = TRUE)
Condition
Error:
! Can't rename columns that don't exist.
x Column `e` doesn't exist.
Code
vars_rename(c("a", "b"), d = e, f = g, .strict = TRUE)
Condition
Error:
! Can't rename columns that don't exist.
x Column `e` doesn't exist.
Code
vars_rename(c("a", "b"), d = "e", f = "g", .strict = TRUE)
Condition
Error:
! Can't rename columns that don't exist.
x Column `e` doesn't exist.
# vars_rename() disallows renaming to same column
Code
# New column
vars_rename(c("a", "b", "c"), foo = a, foo = b)
Condition
Error:
! Names must be unique.
x These names are duplicated:
* "foo" at locations 1 and 2.
Code
# Existing column
vars_rename(c("a", "b", "c"), c = a, c = b)
Condition
Error:
! Names must be unique.
x These names are duplicated:
* "c" at locations 1, 2, and 3.
# vars_rename() disallows renaming to existing columns (#70)
Code
# One column
vars_rename(c("a", "b", "c"), b = a)
Condition
Error:
! Names must be unique.
x These names are duplicated:
* "b" at locations 1 and 2.
Code
# Multiple columns
vars_rename(c("a", "b", "c", "d"), c = a, d = b)
Condition
Error:
! Names must be unique.
x These names are duplicated:
* "c" at locations 1 and 3.
* "d" at locations 2 and 4.
Code
# Overlapping rename with one duplicate column
vars_rename(c("a", "b", "c"), b = a, c = b)
Condition
Error:
! Names must be unique.
x These names are duplicated:
* "c" at locations 2 and 3.
# vars_rename() type-checks arguments
Code
vars_rename(letters, A = TRUE)
Condition
Error:
! Must rename columns with a valid subscript vector.
x Subscript `TRUE` has the wrong type `logical`.
i It must be numeric or character.
Code
vars_rename(letters, A = 1.5)
Condition
Error:
! Must rename columns with a valid subscript vector.
x Can't convert from `1.5` <double> to <integer> due to loss of precision.
Code
vars_rename(letters, A = list())
Condition
Error:
! Must rename columns with a valid subscript vector.
x Subscript `list()` has the wrong type `list`.
i It must be numeric or character.
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