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% File src/library/base/man/character.Rd
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% File src/library/base/man/character.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2023 R Core Team
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% Copyright 1995-2026 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{character}
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\name{character}
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\alias{character}
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\alias{character}
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\alias{as.character}
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\alias{as.character}
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supplying an argument of length other than one is an error.}
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supplying an argument of length other than one is an error.}
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\item{x}{object to be coerced or tested.}
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\item{x}{object to be coerced or tested.}
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\item{\dots}{further arguments passed to or from other methods.}
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\item{\dots}{further arguments passed to or from other methods.}
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}
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}
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\details{
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\details{
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\code{as.character} and \code{is.character} are generic: you can
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\code{as.character} is generic: you can
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write methods to handle specific classes of objects,
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write methods to handle specific classes of objects,
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see \link{InternalMethods}. Further, for \code{as.character} the
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see \link{InternalMethods}. Its
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default method calls \code{\link{as.vector}}, so, only
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default method calls \code{\link{as.vector}}, so, only
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\code{if(is.object(x))} is true, dispatch is first on
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if \code{is.object(x)} is true, dispatch is first on
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methods for \code{as.character} and then for methods for \code{as.vector}.
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methods for \code{as.character} and then for methods for \code{as.vector}.
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\code{as.character} represents real and complex numbers to 15 significant
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\code{as.character} represents real and complex numbers to 15 significant
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digits (technically the compiler's setting of the ISO C constant
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digits (technically the compiler's setting of the ISO C constant
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\code{DBL_DIG}, which will be 15 on machines supporting \abbr{IEC} 60559
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\code{DBL_DIG}, which will be 15 on machines supporting \abbr{IEC} 60559
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