as.lazy |
Convert an object to a lazy expression or lazy dots. |

as.lazy_dots |
Convert an object to a lazy expression or lazy dots. |

ast |
Display a call (or expression) as a tree. |

ast_ |
Display a call (or expression) as a tree. |

as_call |
Coerce an object to a name or call. |

as_f_list |
Build a named list from the LHS of formulas |

as_name |
Coerce an object to a name or call. |

call_modify |
Modify the arguments of a call. |

call_new |
Create a call by "hand" |

call_standardise |
Modify the arguments of a call. |

dots_capture |
Make a promise explicit by converting into a formula. |

expr_env |
Find the expression associated with an argument |

expr_find |
Find the expression associated with an argument |

expr_label |
Find the expression associated with an argument |

expr_text |
Find the expression associated with an argument |

find_data |
Evaluate a formula |

function_new |
Create a function by "hand" |

f_capture |
Make a promise explicit by converting into a formula. |

f_env |
Get/set formula components. |

f_env<- |
Get/set formula components. |

f_eval |
Evaluate a formula |

f_eval_lhs |
Evaluate a formula |

f_eval_rhs |
Evaluate a formula |

f_interp |
Interpolate a formula |

f_label |
Turn RHS of formula into a string/label. |

f_lhs |
Get/set formula components. |

f_lhs<- |
Get/set formula components. |

f_list |
Build a named list from the LHS of formulas |

f_new |
Create a formula object by "hand". |

f_rhs |
Get/set formula components. |

f_rhs<- |
Get/set formula components. |

f_text |
Turn RHS of formula into a string/label. |

f_unwrap |
Unwrap a formula |

interp |
Interpolate values into an expression. |

is_atomic |
Is an object a language object? |

is_call |
Is an object a language object? |

is_formula |
Is object a formula? |

is_lang |
Is an object a language object? |

is_name |
Is an object a language object? |

is_pairlist |
Is an object a language object? |

lazy |
Capture expression for later lazy evaluation. |

lazy_ |
Capture expression for later lazy evaluation. |

lazy_dots |
Capture ... (dots) for later lazy evaluation. |

lazy_eval |
Evaluate a lazy expression. |

make_call |
Make a call with 'lazy_dots' as arguments. |

missing_arg |
Generate a missing argument. |

uq |
Interpolate a formula |

uqf |
Interpolate a formula |

uqs |
Interpolate a formula |