This function reads the YAML front-matter that has already been extracted from a document and returns a list of any parameters declared there.
knit_params_yaml(yaml, evaluate = TRUE)
Character vector containing the YAML text.
If TRUE
(the default) expression values
embedded within the YAML will be evaluated. If FALSE
, parameters
defined with an expression will have the parsed but unevaluated expression
in their value
field.
List of objects of class knit_param
that correspond to the
parameters declared in the params
section of the YAML. See
knit_params
for a full description of these objects.