applyCrudExpressionTree.default: Apply access expression tree
In rappster/crudr: Interfaces for CRUD operations

Description Usage Arguments Details Value Author(s) References See Also Examples

Default method of applyCrudExpressionTree.

## Default S3 method:
applyCrudExpressionTree(inst, type = c("has", "create",
  "read", "update", "delete"), envir = parent.frame(), fail_safe = FALSE,
  ...)

`inst`	`list`. TODO
`type`	`character`. Type of expressions to apply.
`envir`	`environment`. Environment in which to evaluate the expressions.
`fail_safe`	`logical`. Wrap with `try`.
`...`	Further arguments to be passed to subsequent functions/methods.

TODO

expression.

Janko Thyson janko.thyson@rappster.de

http://github.com/rappster/crudr

createCrudExpressionTree

inst = list(a = list(b = 1))

tree <- createCrudExpressionTree(inst, c("a", "b", "c"),
  value = 1, fail_safe = TRUE)

applyCrudExpressionTree(tree, "has")
applyCrudExpressionTree(tree, "create")
inst
applyCrudExpressionTree(tree, "read")
applyCrudExpressionTree(tree, "update")
inst
## --> currently exactly identical to the `create` expression
applyCrudExpressionTree(tree, "delete")
inst