IsEmptyTree reports whether this tree (node) is empty of everything but space or comments.

New allocates a new parse tree with the given name.

NewIdentifier returns a new IdentifierNode with the given identifier name.

Parse returns a map from template name to parse.Tree, created by parsing the templates described in the argument string.

A non-control action such as a field evaluation.

A boolean constant.

A break action.

A sequence of field accesses.

An element of a pipeline.

A comment.

A continue action.

The cursor, dot.

A field or method name.

An identifier; always a function name.

An if action.

A list of Nodes.

An untyped nil constant.

A numerical constant.

A pipeline of commands.

A range action.

A string constant.

A template invocation action.

Plain text.

A $ variable.

A with action.

parse comments and add them to AST.

do not check that functions are defined.

ActionNode holds an action (something bounded by delimiters).

BoolNode holds a boolean constant.

BranchNode is the common representation of if, range, and with.

BreakNode represents a {{break}} action.

ChainNode holds a term followed by a chain of field accesses (identifier starting with '.').

CommandNode holds a command (a pipeline inside an evaluating action).

CommentNode holds a comment.

ContinueNode represents a {{continue}} action.

DotNode holds the special identifier '.'.

FieldNode holds a field (identifier starting with '.').

IdentifierNode holds an identifier.

IfNode represents an {{if}} action and its commands.

ListNode holds a sequence of nodes.

NilNode holds the special identifier 'nil' representing an untyped nil constant.

NumberNode holds a number: signed or unsigned integer, float, or complex.

PipeNode holds a pipeline with optional declaration.

RangeNode represents a {{range}} action and its commands.

StringNode holds a string constant.

TemplateNode represents a {{template}} action.

TextNode holds plain text.

Tree is the representation of a single parsed template.

VariableNode holds a list of variable names, possibly with chained field accesses.

WithNode represents a {{with}} action and its commands.

A Node is an element in the parse tree.

A mode value is a set of flags (or 0).

NodeType identifies the type of a parse tree node.

Pos represents a byte position in the original input text from which this template was parsed.