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zeallot 0.2.0

Breaking changes

• The collector syntax has changed. The previous syntax ... was incompatible with R CMD check and would raise the error “… may be used in an incorrect context”. The new syntax .. (double dots instead of triple) avoids this error. (#62)

  # new
  c(x, ..) %<-% list(1, 2, 3)
  
  # old
  c(x, ...) %<-% list(1, 2, 3)

• The destructure methods for the Date, character, and complex classes have been removed.

New features

• Values may now be assigned by name. The new syntax allows assigning a value to a variable by name instead of position. (#47)

  c(disp=, gear=) %<-% mtcars

• For package developers, the new function zeallous() will prevent R CMD check from raising visible binding errors for variables assigned using %<-%. Call the function from a package’s .onLoad function. (#57)

  .onLoad <- function(libname, pkgname) {
    zeallous()
  }

Major improvements

• Collector variables now default to an empty list instead of raising an error when there are no values to collect. (#56)

  c(x, ..y) %<-% list(1)

• Trailing anonymous collectors and value skips no longer raise errors.

  c(x, ..) %<-% list(1)
  
  c(y, .) %<-% list(1)

Minor improvements

• Error messages have been simplified.

• R versions >= 3.2 are formally supported.

zeallot 0.1.0

Major Improvements

• Bumped to stable version.

Minor Improvements

• Removed outdate language in the unpacking assignment vignette. (#36)

Bug Fixes

• Destructuring objects with multiple classes will no longer raise a warning. (#35)

zeallot 0.0.6.1

Bug Fixes

• Resolved problem where collector variables would not be assigned the correct default value. (#34)

zeallot 0.0.6

Major Improvements

• The left-hand side may now contain calls to [[, [, and $ allowing assignment of parts of objects. The parent object must already exist, otherwise an error is raised. (@rafaqz, #32)

zeallot 0.0.5

Major Changes

• The bracket and colon syntax has been completely removed, users will now see an “unexpected call {” error message when attempting to use the old syntax. Please use the c() syntax for the name structure.

Major Improvements

• A %->% operator has been added. The right operator performs the same operation as %<-% with the name structure on the right-hand side and the values to assign on the left-hand side.
• = may be used to specify the default value of a variable. A default value is used when there are an insufficient number of values.

zeallot 0.0.4

Major Changes

• The bracket and colon syntax has been deprecated in favor of a lighter syntax which uses calls to c(). Documentation and vignettes has been updated accordingly. Using the old syntax now raises a warning and will be removed in future versions of zeallot. (@hadley, #21)

Minor Improvements

• %<-% can now be used for regular assignment. (@hadley, #17)
• ... can now be used to skip multiple values without assigning those values and is recommended over the previously suggested ..... (@hadley, #18)

Miscellaneous Changes

• massign() is no longer exported.

Bug Fixes

• Numerics on left-hand side are no longer unintentionally quoted, thus no longer treated as valid variable names, and will now raise an error. (@hadley, #20)
• Language objects on left-hand side are no longer treated as symbols and will now raise an error. (@hadley, #20)

zeallot 0.0.3

• see 0.0.2.1 notes for additional updates

Minor Improvements

• Examples now consistently put spaces around colons separating left-hand side variables, e.g. a : b instead of a: b.

Bug Fixes

• When unpacking an atomic vector, a collector variable will now collect values as a vector. Previously, values were collected as a list (#14).

zeallot 0.0.2.1

• Not on CRAN, changes will appear under version 0.0.3

• Added missing URL and BugReports fields to DESCRIPTION

• Fixed broken badges in README

zeallot 0.0.2

• Initial CRAN release
• zeallot 0.0.1 may be installed from GitHub

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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