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doc: dns.resolve fix callback argument description
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The dns.resolve documentation stated that an array of IP
addresses would be returned in the callback. This is true
for everything other than the SOA record which returns an object.
This fixes that documentation.

Fixes: #6506
PR-URL: #7532
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Roman Reiss <me@silverwind.io>
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qheaden authored and Myles Borins committed Jul 12, 2016
1 parent 572d629 commit 572cc69
Showing 1 changed file with 4 additions and 1 deletion.
5 changes: 4 additions & 1 deletion doc/api/dns.md
Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,9 @@ Valid values for `rrtype` are:
* `'NAPTR'` - name authority pointer record

The `callback` function has arguments `(err, addresses)`. When successful,
`addresses` will be an array. The type of each item in `addresses` is
`addresses` will be an array, except when resolving an SOA record which returns
an object structured in the same manner as one returned by the
[`dns.resolveSoa()`][] method. The type of each item in `addresses` is
determined by the record type, and described in the documentation for the
corresponding lookup methods.

Expand Down Expand Up @@ -379,6 +381,7 @@ uses. For instance, _they do not use the configuration from `/etc/hosts`_.
[`dns.lookup()`]: #dns_dns_lookup_hostname_options_callback
[`dns.resolve()`]: #dns_dns_resolve_hostname_rrtype_callback
[`dns.resolve4()`]: #dns_dns_resolve4_hostname_callback
[`dns.resolveSoa()`]: #dns_dns_resolvesoa_hostname_callback
[`Error`]: errors.html#errors_class_error
[Implementation considerations section]: #dns_implementation_considerations
[supported `getaddrinfo` flags]: #dns_supported_getaddrinfo_flags
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