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% File src/library/methods/man/GenericFunctions.Rd
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% File src/library/methods/man/GenericFunctions.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 1995-2016 R Core Team
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% Copyright 1995-2025 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{GenericFunctions}
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\name{GenericFunctions}
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\alias{GenericFunctions}
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\alias{GenericFunctions}
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\alias{isGeneric}
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\alias{isGeneric}
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      The behavior of \code{isGeneric} and \code{\link{getGeneric}} for
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      The behavior of \code{isGeneric} and \code{\link{getGeneric}} for
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      primitive functions is slightly different.  These functions don't
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      primitive functions is slightly different.  These functions don't
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      exist as formal generic function objects (for efficiency and
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      exist as formal generic function objects (for efficiency and
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      historical reasons), regardless of whether methods have been
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      historical reasons), regardless of whether methods have been
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      defined for them.  For a primitive function, \code{isGeneric}
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      defined for them.  For a primitive function, \code{isGeneric}
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      tests whether non-default methods have been defined, whereas
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      tests whether methods have been defined, whereas
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      \code{\link{getGeneric}} returns what the formal generic function
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      \code{\link{getGeneric}} returns what the formal generic function
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      object would be, even if no methods have been defined.
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      object would be, even if no methods have been defined.
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    }
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    }
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    \item{\code{removeGeneric}, \code{removeMethods}:}{
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    \item{\code{removeGeneric}, \code{removeMethods}:}{