A try expression using the ? operator.
For example:
let x = foo()?;
// ^
Import path
import codeql.rust.elements.internal.TryExprImplDirect supertypes
Indirect supertypes
Inherited predicates
| fromSource | Holds if this element is from source code. | from Locatable |
| getACfgNode | Gets a control flow node for this AST node, if any. | from AstNode |
| getAPrimaryQlClass | Gets the name of a primary CodeQL class to which this element belongs. | from TryExpr |
| getAnAttr | Gets any of the attrs of this try expression. | from TryExpr |
| getAttr | Gets the | from TryExpr |
| getEnclosingCallable | Gets the immediately enclosing callable of this node, if any. | from AstNode |
| getEnclosingCfgScope | Gets the CFG scope that encloses this node, if any. | from AstNode |
| getExpr | Gets the expression of this try expression, if it exists. | from TryExpr |
| getFile | Gets the primary file where this element occurs. | from Locatable |
| getLocation | from Locatable | |
| getNumberOfAttrs | Gets the number of attrs of this try expression. | from TryExpr |
| getParentNode | Gets the nearest enclosing parent of this node, which is also an | from AstNode |
| getPrimaryQlClasses | Gets a comma-separated list of the names of the primary CodeQL classes to which this element belongs. | from Element |
| getResolveStep | Gets the most immediate element that should substitute this element in the explicit AST, if any. Classes can override this to indicate this node should be in the “hidden” AST, mostly reserved for conversions and syntactic sugar nodes like parentheses. | from Element |
| hasExpr | Holds if | from TryExpr |
| isFromMacroExpansion | Holds if this node exists only as the result of a macro expansion. | from AstNode |
| isInMacroExpansion | Holds if this node is inside a macro expansion. | from AstNode |
| isUnknown | from Element | |
| resolve | Gets the element that should substitute this element in the explicit AST, applying | from Element |
| toAbbreviatedString | INTERNAL: Do not use. | from Element |
| toString | Gets the string representation of this element. | from Element |
| toStringImpl | INTERNAL: Do not use. | from Element |