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restrict() for building composable
validators.require_df(),
require_numeric(), require_character(),
require_length(), require_length_matches(),
require_nrow_min(), require_has_cols(),
require_col_numeric(),
require_col_character(), require_col_range(),
require_range(), require_one_of().newdata$x2 must be numeric).as_contract_text() for roxygen-compatible
documentation.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.