# incompatible columns throws common type error
Code
(expect_error(vec_rbind(x_int, x_chr), class = "vctrs_error_incompatible_type"))
Output
<error/vctrs_error_ptype2>
Error in `vec_rbind()`:
! Can't combine `..1$x` <integer> and `..2$x` <character>.
Code
(expect_error(vec_rbind(x_int, x_chr, .error_call = call("foo")), class = "vctrs_error_incompatible_type")
)
Output
<error/vctrs_error_ptype2>
Error in `foo()`:
! Can't combine `..1$x` <integer> and `..2$x` <character>.
Code
(expect_error(vec_rbind(x_int, x_chr, .ptype = x_chr, .error_call = call("foo")),
class = "vctrs_error_incompatible_type"))
Output
<error/vctrs_error_cast>
Error in `foo()`:
! Can't convert `..1$x` <integer> to match type of `x` <character>.
# names are supplied if needed
Code
out <- vec_rbind(data_frame(...1 = 1), 1)
Message
New names:
* `` -> `...1`
# can repair names in `vec_rbind()` (#229)
Code
(expect_error(vec_rbind(.name_repair = "none"), "can't be `\"none\"`"))
Output
<error/rlang_error>
Error:
! `.name_repair` can't be `"none"`.
It must be one of `"unique"`, `"universal"`, or `"check_unique"`.
Code
(expect_error(vec_rbind(.name_repair = "minimal"), "can't be `\"minimal\"`"))
Output
<error/rlang_error>
Error:
! `.name_repair` can't be `"minimal"`.
It must be one of `"unique"`, `"universal"`, or `"check_unique"`.
Code
(expect_error(vec_rbind(list(a = 1, a = 2), .name_repair = "check_unique"),
class = "vctrs_error_names_must_be_unique"))
Output
<error/vctrs_error_names_must_be_unique>
Error in `vec_rbind()`:
! Names must be unique.
x These names are duplicated:
* "a" at locations 1 and 2.
# can repair names quietly
Code
res_unique <- vec_rbind(c(x = 1, x = 2), c(x = 3, x = 4), .name_repair = "unique_quiet")
res_universal <- vec_rbind(c(`if` = 1, `in` = 2), c(`if` = 3, `for` = 4),
.name_repair = "universal_quiet")
---
Code
res_unique <- vec_cbind(x = 1, x = 2, .name_repair = "unique_quiet")
res_universal <- vec_cbind(`if` = 1, `in` = 2, .name_repair = "universal_quiet")
# vec_rbind() fails with arrays of dimensionality > 3
Code
(expect_error(vec_rbind(array(NA, c(1, 1, 1)))))
Output
<error/rlang_error>
Error in `vec_rbind()`:
! Can't bind arrays.
Code
(expect_error(vec_rbind(array(NA, c(1, 1, 1)), .error_call = call("foo"))))
Output
<error/rlang_error>
Error in `foo()`:
! Can't bind arrays.
# can assign row names in vec_rbind()
Code
(expect_error(vec_rbind(foo = df1, df2, .names_to = NULL), "specification"))
Output
<error/rlang_error>
Error in `vec_rbind()`:
! Can't merge the outer name `foo` with a vector of length > 1.
Please supply a `.name_spec` specification.
# vec_cbind() reports error context
Code
(expect_error(vec_cbind(foobar(list()))))
Output
<error/vctrs_error_scalar_type>
Error in `vec_cbind()`:
! `..1` must be a vector, not a <vctrs_foobar> object.
Code
(expect_error(vec_cbind(foobar(list()), .error_call = call("foo"))))
Output
<error/vctrs_error_scalar_type>
Error in `foo()`:
! `..1` must be a vector, not a <vctrs_foobar> object.
Code
(expect_error(vec_cbind(a = 1:2, b = int())))
Output
<error/vctrs_error_incompatible_size>
Error in `vec_cbind()`:
! Can't recycle `a` (size 2) to match `b` (size 0).
Code
(expect_error(vec_cbind(a = 1:2, b = int(), .error_call = call("foo"))))
Output
<error/vctrs_error_incompatible_size>
Error in `foo()`:
! Can't recycle `a` (size 2) to match `b` (size 0).
# duplicate names are de-deduplicated
Code
(expect_named(vec_cbind(x = 1, x = 1), c("x...1", "x...2")))
Message
New names:
* `x` -> `x...1`
* `x` -> `x...2`
Output
x...1 x...2
1 1 1
Code
(expect_named(vec_cbind(data.frame(x = 1), data.frame(x = 1)), c("x...1",
"x...2")))
Message
New names:
* `x` -> `x...1`
* `x` -> `x...2`
Output
x...1 x...2
1 1 1
# can repair names in `vec_cbind()` (#227)
Code
(expect_error(vec_cbind(a = 1, a = 2, .name_repair = "none"),
"can't be `\"none\"`"))
Output
<error/rlang_error>
Error:
! `.name_repair` can't be `"none"`.
It must be one of `"unique"`, `"universal"`, `"check_unique"`, or `"minimal"`.
Code
(expect_error(vec_cbind(a = 1, a = 2, .name_repair = "check_unique"), class = "vctrs_error_names_must_be_unique")
)
Output
<error/vctrs_error_names_must_be_unique>
Error in `vec_cbind()`:
! Names must be unique.
x These names are duplicated:
* "a" at locations 1 and 2.
# can supply `.names_to` to `vec_rbind()` (#229)
Code
(expect_error(vec_rbind(.names_to = letters)))
Output
<error/rlang_error>
Error in `vec_rbind()`:
! `.names_to` must be `NULL`, a string, or an `rlang::zap()` object.
Code
(expect_error(vec_rbind(.names_to = 10)))
Output
<error/rlang_error>
Error in `vec_rbind()`:
! `.names_to` must be `NULL`, a string, or an `rlang::zap()` object.
Code
(expect_error(vec_rbind(.names_to = letters, .error_call = call("foo"))))
Output
<error/rlang_error>
Error in `foo()`:
! `.names_to` must be `NULL`, a string, or an `rlang::zap()` object.
# vec_cbind() fails with arrays of dimensionality > 3
Code
(expect_error(vec_cbind(a)))
Output
<error/rlang_error>
Error in `vec_cbind()`:
! Can't bind arrays.
Code
(expect_error(vec_cbind(a, .error_call = call("foo"))))
Output
<error/rlang_error>
Error in `foo()`:
! Can't bind arrays.
Code
(expect_error(vec_cbind(x = a)))
Output
<error/rlang_error>
Error in `vec_cbind()`:
! Can't bind arrays.
# vec_rbind() name repair messages are useful
Code
vec_rbind(1, 2)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
1 1
2 2
Code
vec_rbind(1, 2, .names_to = NULL)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
1 1
2 2
Code
vec_rbind(1, 2, ...10 = 3)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
1 1
2 2
3 3
Code
vec_rbind(1, 2, ...10 = 3, .names_to = NULL)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
...1 1
...2 2
...3 3
Code
vec_rbind(a = 1, b = 2)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
1 1
2 2
Code
vec_rbind(a = 1, b = 2, .names_to = NULL)
Message
New names:
* `` -> `...1`
New names:
* `` -> `...1`
Output
...1
a 1
b 2
Code
vec_rbind(c(a = 1), c(b = 2))
Output
a b
1 1 NA
2 NA 2
Code
vec_rbind(c(a = 1), c(b = 2), .names_to = NULL)
Output
a b
1 1 NA
2 NA 2
# vec_rbind() is silent when assigning duplicate row names of df-cols
Code
vec_rbind(df, df)
Output
mpg
1 21.0
2 21.0
3 22.8
4 21.0
5 21.0
6 22.8
---
Code
vec_rbind(mtcars[1:4, ], mtcars[1:3, ])
Output
mpg cyl disp hp drat wt qsec vs am gear carb
Mazda RX4...1 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
Mazda RX4 Wag...2 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
Datsun 710...3 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1
Mazda RX4...5 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
Mazda RX4 Wag...6 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
Datsun 710...7 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
# vec_cbind() name repair messages are useful
Code
vec_cbind(1, 2)
Message
New names:
* `` -> `...1`
* `` -> `...2`
Output
...1 ...2
1 1 2
Code
vec_cbind(1, 2, ...10 = 3)
Message
New names:
* `` -> `...1`
* `` -> `...2`
* `...10` -> `...3`
Output
...1 ...2 ...3
1 1 2 3
Code
vec_cbind(a = 1, b = 2)
Output
a b
1 1 2
Code
vec_cbind(c(a = 1), c(b = 2))
Message
New names:
* `` -> `...1`
* `` -> `...2`
Output
...1 ...2
1 1 2
# rbind repairs names of data frames (#704)
Code
(expect_error(vec_rbind(df, df, .name_repair = "check_unique"), class = "vctrs_error_names_must_be_unique")
)
Output
<error/vctrs_error_names_must_be_unique>
Error in `vec_rbind()`:
! Names must be unique.
x These names are duplicated:
* "x" at locations 1 and 2.
Code
(expect_error(vec_rbind(df, df, .name_repair = "check_unique", .error_call = call(
"foo")), class = "vctrs_error_names_must_be_unique"))
Output
<error/vctrs_error_names_must_be_unique>
Error in `foo()`:
! Names must be unique.
x These names are duplicated:
* "x" at locations 1 and 2.
# vec_rbind() fails with complex foreign S3 classes
Code
x <- structure(foobar(1), attr_foo = "foo")
y <- structure(foobar(2), attr_bar = "bar")
(expect_error(vec_rbind(set_names(x, "x"), set_names(y, "x")), class = "vctrs_error_incompatible_type")
)
Output
<error/vctrs_error_ptype2>
Error in `vec_rbind()`:
! Can't combine `..1` <vctrs_foobar> and `..2` <vctrs_foobar>.
x Some attributes are incompatible.
i The author of the class should implement vctrs methods.
i See <https://vctrs.r-lib.org/reference/faq-error-incompatible-attributes.html>.
# vec_rbind() fails with complex foreign S4 classes
Code
joe <- .Counts(1L, name = "Joe")
jane <- .Counts(2L, name = "Jane")
(expect_error(vec_rbind(set_names(joe, "x"), set_names(jane, "y")), class = "vctrs_error_incompatible_type")
)
Output
<error/vctrs_error_ptype2>
Error in `vec_rbind()`:
! Can't combine `..1` <vctrs_Counts> and `..2` <vctrs:::common_class_fallback>.
# can't zap names when `.names_to` is supplied
Code
(expect_error(vec_rbind(foo = c(x = 1), .names_to = "id", .name_spec = zap())))
Output
<error/rlang_error>
Error in `vec_rbind()`:
! Can't zap outer names when `.names_to` is supplied.
Code
(expect_error(vec_rbind(foo = c(x = 1), .names_to = "id", .name_spec = zap(),
.error_call = call("foo"))))
Output
<error/rlang_error>
Error in `foo()`:
! Can't zap outer names when `.names_to` is supplied.
# row-binding performs expected allocations
Code
ints <- rep(list(1L), 100)
named_ints <- rep(list(set_names(1:3, letters[1:3])), 100)
# Integers as rows
suppressMessages(with_memory_prof(vec_rbind_list(ints)))
Output
[1] 2.79KB
Code
suppressMessages(with_memory_prof(vec_rbind_list(named_ints)))
Output
[1] 3.66KB
Code
# Data frame with named columns
df <- data_frame(x = set_names(as.list(1:2), c("a", "b")), y = set_names(1:2, c(
"A", "B")), z = data_frame(Z = set_names(1:2, c("Za", "Zb"))))
dfs <- rep(list(df), 100)
with_memory_prof(vec_rbind_list(dfs))
Output
[1] 10.4KB
Code
# Data frame with rownames (non-repaired, non-recursive case)
df <- data_frame(x = 1:2)
dfs <- rep(list(df), 100)
dfs <- map2(dfs, seq_along(dfs), set_rownames_recursively)
with_memory_prof(vec_rbind_list(dfs))
Output
[1] 7.68KB
Code
# Data frame with rownames (repaired, non-recursive case)
dfs <- map(dfs, set_rownames_recursively)
with_memory_prof(vec_rbind_list(dfs))
Output
[1] 13.8KB
Code
# Data frame with rownames (non-repaired, recursive case) (#1217)
df <- data_frame(x = 1:2, y = data_frame(x = 1:2))
dfs <- rep(list(df), 100)
dfs <- map2(dfs, seq_along(dfs), set_rownames_recursively)
with_memory_prof(vec_rbind_list(dfs))
Output
[1] 13KB
Code
# Data frame with rownames (repaired, recursive case) (#1217)
dfs <- map(dfs, set_rownames_recursively)
with_memory_prof(vec_rbind_list(dfs))
Output
[1] 25.3KB
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