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Developer`

Developer`

$InactivateExclusions

$InactivateExclusions

is a variable whose value is used to determine which heads Inactivate should ignore.

更多信息和选项

To use $InactivateExclusions, you first need to load the Developer Utilities Package using Needs["Developer`"].
$InactivateExclusions contains a list of pairs of the form {h,extype} where h is a symbol and extype is either "Symbol" or "Expression". The pair {h,"Symbol"} indicates that Inactivate should ignore the head h itself but not its contents, whereas the pair {h,"Expression"} indicates that Inactivate should ignore any part of the input with head h.
$InactivateExclusions can be restored to its default value using Unset.

范例

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基本范例 (2)

Force all symbols to be inactivated:

Normally List would be ignored:

Ignore List but not its contents:

Ignore List and its contents:

Scope (2)

Ignore g and its contents, and ignore h but not its contents:

Ignore these functions in addition to the normal defaults:

Ignore no symbols:

Restore $InactivateExclusions to its default value:

Now List is ignored:

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