R tune message_wrap 寫一條尊重線寬的消息

寫一條尊重線寬的消息

用法

message_wrap(
  x,
  width = options()$width - 2,
  prefix = "",
  color_text = NULL,
  color_prefix = color_text
)

參數

x: 消息文本的字符串。
width: 寬度的整數。
prefix: 位於消息第一行的可選字符串。
color_text, color_prefix: 用於為文本和/或前綴著色的函數(或 NULL )。

值

處理後的文本被返回(不可見)，但會寫入一條消息。

例子

library(cli)
Gaiman <-
  paste(
    '"Good point." Bod was pleased with himself, and glad he had thought of',
    "asking the poet for advice. Really, he thought, if you couldn't trust a",
    "poet to offer sensible advice, who could you trust?",
    collapse = ""
  )
message_wrap(Gaiman)
#> "Good point." Bod was pleased with himself, and glad he had thought of
#> asking the poet for advice. Really, he thought, if you couldn't trust
#> a poet to offer sensible advice, who could you trust?
message_wrap(Gaiman, width = 20, prefix = "-")
#> - "Good point." Bod
#>   was pleased with
#>   himself, and glad
#>   he had thought of
#>   asking the poet
#>   for advice.
#>   Really, he
#>   thought, if you
#>   couldn't trust a
#>   poet to offer
#>   sensible advice,
#>   who could you
#>   trust?
message_wrap(Gaiman,
  width = 30, prefix = "-",
  color_text = cli::col_silver
)
#> - "Good point." Bod was
#>   pleased with himself, and
#>   glad he had thought of
#>   asking the poet for advice.
#>   Really, he thought, if you
#>   couldn't trust a poet to
#>   offer sensible advice, who
#>   could you trust?
message_wrap(Gaiman,
  width = 30, prefix = "-",
  color_text = cli::style_underline,
  color_prefix = cli::col_green
)
#> - "Good point." Bod was
#>   pleased with himself, and
#>   glad he had thought of
#>   asking the poet for advice.
#>   Really, he thought, if you
#>   couldn't trust a poet to
#>   offer sensible advice, who
#>   could you trust?

源代碼：R/logging.R

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