@spec at(t(), integer()) :: t() | {:error, String.t()}

at

Positional Arguments

• self: Evision.FileNode.t()

• i: int.

  Index of an element in the sequence node.

Return

• retval: Evision.FileNode.t()

Has overloading in C++

Python prototype (for reference only):

at(i) -> retval

@spec empty(t()) :: boolean() | {:error, String.t()}

empty

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

@spec fileNode() :: t() | {:error, String.t()}

The constructors.

Return

• self: Evision.FileNode.t()

These constructors are used to create a default file node, construct it from obsolete structures or from the another file node.

Python prototype (for reference only):

FileNode() -> <FileNode object>

@spec getNode(t(), binary()) :: t() | {:error, String.t()}

getNode

Positional Arguments

• self: Evision.FileNode.t()

• nodename: c_string.

  Name of an element in the mapping node.

Return

• retval: Evision.FileNode.t()

Has overloading in C++

Python prototype (for reference only):

getNode(nodename) -> retval

@spec isInt(t()) :: boolean() | {:error, String.t()}

isInt

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isInt() -> retval

@spec isMap(t()) :: boolean() | {:error, String.t()}

isMap

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isMap() -> retval

@spec isNamed(t()) :: boolean() | {:error, String.t()}

isNamed

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isNamed() -> retval

@spec isNone(t()) :: boolean() | {:error, String.t()}

isNone

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isNone() -> retval

@spec isReal(t()) :: boolean() | {:error, String.t()}

isReal

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isReal() -> retval

@spec isSeq(t()) :: boolean() | {:error, String.t()}

isSeq

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isSeq() -> retval

@spec isString(t()) :: boolean() | {:error, String.t()}

isString

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: bool

Python prototype (for reference only):

isString() -> retval

@spec keys(t()) :: [binary()] | {:error, String.t()}

Returns keys of a mapping node.

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: [String]

@returns Keys of a mapping node.

Python prototype (for reference only):

keys() -> retval

@spec mat(t()) :: Evision.Mat.t() | {:error, String.t()}

mat

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: Evision.Mat.t()

Python prototype (for reference only):

mat() -> retval

@spec name(t()) :: binary() | {:error, String.t()}

name

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: string

Python prototype (for reference only):

name() -> retval

@spec rawSize(t()) :: integer() | {:error, String.t()}

rawSize

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: size_t

Python prototype (for reference only):

rawSize() -> retval

@spec real(t()) :: number() | {:error, String.t()}

real

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: double

Internal method used when reading FileStorage. Sets the type (int, real or string) and value of the previously created node.

Python prototype (for reference only):

real() -> retval

@spec size(t()) :: integer() | {:error, String.t()}

size

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: size_t

Python prototype (for reference only):

size() -> retval

@spec string(t()) :: binary() | {:error, String.t()}

string

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: string

Python prototype (for reference only):

string() -> retval

@spec type(t()) :: integer() | {:error, String.t()}

Returns type of the node.

Positional Arguments

• self: Evision.FileNode.t()

Return

• retval: int

@returns Type of the node. See FileNode::Type

Python prototype (for reference only):

type() -> retval