Check that parentheses and square brackets do not have spaces directly inside them, i.e., directly following an opening delimiter or directly preceding a closing delimiter.
See also
linters for a complete list of linters available in lintr.
Examples
# will produce lints
lint(
text = "c( TRUE, FALSE )",
linters = spaces_inside_linter()
)
#> <text>:1:3: style: [spaces_inside_linter] Do not place spaces after parentheses.
#> c( TRUE, FALSE )
#> ^
#> <text>:1:15: style: [spaces_inside_linter] Do not place spaces before parentheses.
#> c( TRUE, FALSE )
#> ^
lint(
text = "x[ 1L ]",
linters = spaces_inside_linter()
)
#> <text>:1:3: style: [spaces_inside_linter] Do not place spaces after square brackets.
#> x[ 1L ]
#> ^
#> <text>:1:6: style: [spaces_inside_linter] Do not place spaces before square brackets.
#> x[ 1L ]
#> ^
# okay
lint(
text = "c(TRUE, FALSE)",
linters = spaces_inside_linter()
)
#> ℹ No lints found.
lint(
text = "x[1L]",
linters = spaces_inside_linter()
)
#> ℹ No lints found.